ABB RET 541 - Page 44

Table 24: Hardware versions of RET 543, 6I/3U transformers
HW modules Order number
RET543A_240AAAA RET543A_240BAAA RET543A_240CAAA RET543A_240AAAB RET543A_240BAAB RET543A_243AAAA RET543A_243BAAA RET543A_243CAAA RET543A_243AAAB RET543A_243BAAB
Analog interface
Current trafo 1/5 A
6 6 6 6 6 6 6 6 6 6
Voltage trafo 100 V
3 3 3 3 3 3 3 3 3 3
Main processor boards
CPU module
1 1 1 1 1 1 1 1 1 1
Power supply boards
PS1: 80...265 VDC/AC (High)
1 1 1 1
PS1: 80...265 VDC/AC (Medium)
1 1 1 1
PS1: 18...80 VDC (Low)
1 1
PS2: 80...265 VDC/AC
PS2: 18...80 VDC
Digital I/O boards
BIO1: threshold voltage 155 VDC
1 1 1 1
BIO1: threshold voltage 80 VDC
1 1 1 1
BIO1: threshold voltage 18 VDC
1 1
BIO2: threshold voltage 155 VDC
1 1 1 1
BIO2: threshold voltage 80 VDC
1 1 1 1
BIO2: threshold voltage 18 VDC
1 1
Analog I/O board
RTD/analog module
1 1 1 1 1
Display boards
Graphic HMI display, fixed
1 1 1 1 1 1
Graphic HMI display external
1 1 1 1
Mechanic
1/2 enclosure
1 1 1 1 1 1 1 1 1 1
Digital inputs
25 25
Power outputs, single pole
2 2
Power outputs, double pole
9 9
Signal outputs (NO)
2 2
Signal outputs (NO/NC)
5 5
Supervised trip circuits
2 2
IRF outputs
1 1
RTD/analog inputs
0 8
Analog outputs
0 4
Transformer Terminal RET 541, RET 543, RET 545
1MRS755543
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